Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 19:22

General

  • Target

    1d5d0b76f1bd5bb7230f3711933dd907f62c1fe0c612b1e9e3139ca8b5330991.exe

  • Size

    40KB

  • MD5

    6f8716ab63d33729682538510d37ec4c

  • SHA1

    276a8ac246266998f30d8b51da00d1e5fe44e03b

  • SHA256

    1d5d0b76f1bd5bb7230f3711933dd907f62c1fe0c612b1e9e3139ca8b5330991

  • SHA512

    6412cd812115d5b6ba153b7c99d65a12c07ff2521c6129484315e6f34cf5090cfa1f57a0c8e6b2cd67130ddae74a81de8a9bd113a9f3af605ce48e7438b8f743

  • SSDEEP

    768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFa:CTWn1++PJHJXA/OsIZfzc3/Q8a

Score
9/10

Malware Config

Signatures

  • Renames multiple (3832) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • UPX dump on OEP (original entry point) 4 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d5d0b76f1bd5bb7230f3711933dd907f62c1fe0c612b1e9e3139ca8b5330991.exe
    "C:\Users\Admin\AppData\Local\Temp\1d5d0b76f1bd5bb7230f3711933dd907f62c1fe0c612b1e9e3139ca8b5330991.exe"
    1⤵
    • Drops file in Program Files directory
    PID:1656

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2721934792-624042501-2768869379-1000\desktop.ini.tmp
    Filesize

    40KB

    MD5

    e0f15c2b0546023ae8b618b893b48b35

    SHA1

    1fab8deb63f80468f561540e183199c1d7f34978

    SHA256

    e3eace8e572516b9d676d84baff66d60a3054e3be6d24dac0c60cb9c97584c06

    SHA512

    c127bca8322e5c00d5a170efbc185fc318fa59a479ad601355af1c186b6582f44438870928c547057d3e04c626b460423c210f3b219325a346bb84aad9f5675a

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
    Filesize

    49KB

    MD5

    3a7527f47147ba2f82c0acb7f8b430d2

    SHA1

    946065f2291c2b4af256e894155b1feeb5e09599

    SHA256

    a9ddb9e989e604f7f410f50d405210397319b21a3e0127e98734d7842fe6c713

    SHA512

    8d5f7d9e2442f77496c41f060a5adf9037f7c2f700675ac6122197bce3a8228fe2abbc5db2904644635ce726156c89219d333aa5afd9c862b2d5cb31203abcf7

  • memory/1656-0-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB

  • memory/1656-86-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB